Estudio de Vladimir Korolkov (1929). Blancas juegan y ganan.

- 1er premio Pravda -

1.Td2+ Rc1 [1...Rxd2? 2.Dh6+ Rc2 3.Dxh3+-] 2.Td1+ [ ‹2.Tc2+ Rb1 3.Tc1+ Cxc1 4.Af5+ Rxb2 5.Axh3 Af3+ 6.Ag2 f1=D#] 2...Rxd1 3.Aa4+ b3! 4.Axb3+ Re1 5.Ab4+ Cc3 6.Axc3+ Rf1 7.Ac4 Axc4 8.Dc5! [8.Dd6 Ad3 9.De6 Ae4+ 10.Dxe4=] 8...Ad3 9.Db5! Axb5 10.b8=C! Ad3 11.a8=A! [11.a8=D Ae4+ 12.Dxe4=] 11...Ae2 12.f8=T! [12.f8=C Ab5 13.Af3 (13.Ce6 Re2 14.Cf4+ Re3 15.Cg2+ hxg2+ 16.Axg2 Ae2 17.h4 Af3 18.Rh2 Axg2 19.Rxg2 Re2 20.Rg3 f1=D–+) 13...Ae2 14.Ae4=; 12.f8=D Af3+ 13.Dxf3=] 1–0